Shieldstral
2 published articles
Mistral AIFeatured4 min read
AI Safety: 3B Classifier, Apache 2.0 Weights
Mistral's Shieldstral puts your moderation policy in the prompt, not the weights
Shieldstral frames moderation as a binary question: an instruction, a yes/no query, and the content to judge. Mistral says the 3B model matches open guardrails up to seven times its size on text safety, with Apache 2.0 weights that run on one 16GB GPU.
2026-08-05
LLMs & ModelsFeatured4 min read
AI Safety
Shieldstral, the 3B classifier that outguns models seven times its size
A 3B safety classifier matches text models nearly seven times its size and sets a new multimodal moderation state of the art, per a July 2026 arXiv paper. The trick: moderation reframed as binary question answering, trained on roughly 54.1 million samples.
2026-08-05